cpu impact of netflow export ?

Wed May 20 05:32:13 UTC 1998

Dave,

It depends on how you define your aggregates - But, using the default on
7507 RSP2 64 Megs, exporting Flow stats from a table with an average of
10,000 flows doesn't seem to hurt very much.  Maybe 5% CPU on the
Router.

It's the Sun box that takes the hit.

Chris

-----Original Message-----
From: Dave Curado [mailto:davec at navinet.net]
Sent: Friday, May 15, 1998 10:53 PM
To: nanog at merit.edu
Subject: cpu impact of netflow export ?

Does anyone have any data points they'd share regarding
the impact of netflow export on cpu load?  I'd like to
capture all of my netflow stats, but I'm worried about
scalability.

Thanks,
davec